django-orchestra/orchestra/apps/systemusers/serializers.py

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from django.contrib.auth import get_user_model
from django.core.exceptions import ValidationError
from django.forms import widgets
from django.shortcuts import get_object_or_404
from django.utils.translation import ugettext, ugettext_lazy as _
from rest_framework import serializers
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from orchestra.api.serializers import HyperlinkedModelSerializer
from orchestra.apps.accounts.serializers import AccountSerializerMixin
from orchestra.core.validators import validate_password
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from .models import SystemUser
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class GroupSerializer(AccountSerializerMixin, serializers.HyperlinkedModelSerializer):
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class Meta:
model = SystemUser
fields = ('url', 'username',)
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def from_native(self, data, files=None):
queryset = self.opts.model.objects.filter(account=self.account)
return get_object_or_404(queryset, username=data['username'])
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class SystemUserSerializer(AccountSerializerMixin, HyperlinkedModelSerializer):
password = serializers.CharField(max_length=128, label=_('Password'),
validators=[validate_password], write_only=True, required=False,
widget=widgets.PasswordInput)
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groups = GroupSerializer(many=True, allow_add_remove=True, required=False)
class Meta:
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model = SystemUser
fields = (
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'url', 'username', 'password', 'home', 'directory', 'shell', 'groups', 'is_active',
)
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postonly_fields = ('username',)
def validate(self, attrs):
user = SystemUser(
username=attrs.get('username') or self.object.username,
shell=attrs.get('shell') or self.object.shell,
)
user.validate_home(attrs, self.account)
return attrs
def validate_password(self, attrs, source):
""" POST only password """
if self.object:
if 'password' in attrs:
raise serializers.ValidationError(_("Can not set password"))
elif 'password' not in attrs:
raise serializers.ValidationError(_("Password required"))
return attrs
def validate_groups(self, attrs, source):
groups = attrs.get(source)
if groups:
for group in groups:
if group.username == attrs['username']:
raise serializers.ValidationError(
_("Do not make the user member of its group"))
return attrs
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def save_object(self, obj, **kwargs):
# FIXME this method will be called when saving nested serializers :(
if not obj.pk:
obj.set_password(obj.password)
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super(SystemUserSerializer, self).save_object(obj, **kwargs)